explicitly add dcd source file without vendor/family

hw/bsp/stm32f070rbnucleo/board.mk

@@ -23,6 +23,7 @@ CFLAGS += -Wno-error=unused-parameter -Wno-error=cast-align
 LD_FILE = hw/bsp/$(BOARD)/stm32F070rbtx_flash.ld
 
 SRC_C += \
+  src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
   $(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
   $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
   $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \
@@ -40,10 +41,6 @@ INC += \
   $(TOP)/$(ST_HAL_DRIVER)/Inc \
   $(TOP)/hw/bsp/$(BOARD)
 
-# For TinyUSB port source
-VENDOR = st
-CHIP_FAMILY = stm32_fsdev
-
 # For freeRTOS port source
 FREERTOS_PORT = ARM_CM0